{"product_id":"4-4000ss-nrs-fs","title":"4 4000SS-NRS-FS","description":"\u003cp\u003eThis \u003cstrong\u003e4 inch Ames Fire \u0026amp; Waterworks 4000SS Reduced Pressure Zone Assembly\u003c\/strong\u003e is designed to prevent the reverse flow of fire protection substances and non-potable water into the potable water supply. It provides protection against backsiphonage and backpressure in continuous pressure piping applications and at health-hazard cross-connections.\u003c\/p\u003e\u003cp\u003eThe assembly features a \u003cstrong\u003eshort lay length lightweight stainless steel body\u003c\/strong\u003e, \u003cstrong\u003eresilient seated shutoff valves with non-rising stems (NRS)\u003c\/strong\u003e, and a patented cam-check assembly. It includes a \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e to detect excessive water discharges from the relief valve, signaling facility personnel for corrective action.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free*\u003c\/strong\u003e construction complies with current installation requirements, with wetted surfaces containing less than 0.25% lead by weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel body\u003c\/strong\u003e provides long-term corrosion resistance, maximum strength, and is approximately half the weight of competitive designs, reducing installation and shipping costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort end-to-end dimensions\u003c\/strong\u003e make retrofitting easy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented cam-check assembly\u003c\/strong\u003e ensures maximum flow at low pressure drop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo special tools required\u003c\/strong\u003e for servicing, facilitating straightforward maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact construction\u003c\/strong\u003e allows for smaller enclosures, optimizing installation space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel relief valve\u003c\/strong\u003e features a balanced rolling diaphragm, eliminating sliding seals and lowering maintenance costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlood sensor with SentryPlus Alert® technology\u003c\/strong\u003e detects continuous relief valve discharge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlood alert feature\u003c\/strong\u003e can be activated with an add-on sensor connection kit, compatible with Building Management Systems (BMS), cellular network communication, or the Sensor Control Monitor for BAS integration via RS-485 Modbus or Nexa® platform via Wi-Fi.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eAn add-on connection kit is required to activate the flood sensor. Without the connection kit, the flood sensor functions as a passive component with no communication to other devices. It is crucial to thoroughly read all installation instructions and product safety information before beginning the installation of this product.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796646895893,"sku":"F0690497","price":10263.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177738.jpg?v=1772725611","url":"https:\/\/www.backflowpreventer.com\/products\/4-4000ss-nrs-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}